FOC-3D OCXO | 25.4×25.4mm | Oven-Controlled Crystal Oscillator
DIP 25.4×25.4mm, Rectangular (TTL), sine wave optional
FEATURE
Product Description
FOC-3D Oven-Controlled Crystal Oscillator (OCXO) | 25.4×25.4mm
Key Features
- Package size: 25.4 × 25.4 × 12.7 mm DIP
- Output waveform: Rectangular (TTL), sine wave optional
- Frequency range: 5 MHz to 40 MHz
- Load capacitance: 15 pF
- Duty cycle: 45%–55% @1.4V
- Frequency stability:
- ±10ppb over –30°C to +70°C (referenced to +25°C)
- ±0.5ppb/day (after 30 days)
- ±50ppb/year
- ±0.3ppm over 10 years
- Voltage stability: ±5ppb with ±5% Vcc change
- Spurious suppression: ≥60 dBc
- Phase noise @10 MHz:
- –120 dBc/Hz @10Hz
- –135 dBc/Hz @100Hz
- –145 dBc/Hz @1kHz
- –150 dBc/Hz @10kHz
- Control voltage (VCO): 0 ~ 3.3V (typ), slope positive
- VCO input impedance: 100 kΩ
- Frequency tuning range: ±0.5ppm
- Input voltage: 3.3V (standard), 5.0V available
- Start-up current: ≤1000 mA
- Steady-state power: ≤1.3 W @+25°C
Recommended Applications
- Telecom base stations
- SDH/SONET synchronization
- Precision synthesizers and digital switches
- Measurement and lab instrumentation
- Long-term stable reference clocks
Electrical Characteristics
Package Dimension
Design Recommendations
Warm-up time of 10 minutes is recommended to reach target accuracy. Maintain clean power rails (3.3V or 5V) with filtering to minimize phase noise. Ensure analog control voltage for VCO tuning is isolated and stable. For optimal thermal performance, place OCXO away from fast-switching digital loads.
For detailed configuration or to request samples, visit www.fujicrystal.com or contact FCom@fujicrystal.com.
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©Fuji Crystal (Hong Kong) Electronics Co., Ltd. All Rights Reserved.
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